| 摘要 |
PURPOSE: A jig for removing a high strength bolt, a removing device thereof, and a removal method thereof are provided to efficiently remove the high strength bolt without damaging a female screw to which a high strength bolt is coupled. CONSTITUTION: A jig(150) for removing a high strength bolt comprises a main body(151), a guide hole, a fixing ring(153), and a fixing bolt(155). The main body is connected to a fore-end of the high strength bolt. A plurality of penetration holes connected to each other in a diameter direction of the strength bolt is formed at the high strength bolt. The guide hole is formed in the main body and guides a cutting tool. The guide hole comprises a center guide holes(151c) and a connection guide hole(151d). The center guide hole guides the cutting tools so that a central hole is formed in the center of the high strength bolt. The fixing ring is connected to the outer periphery of the high strength bolt, and the main body is inserted. The fixing ring connects the main body and the fixing ring and pressurizes the high strength bolt. |
